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Other Current Assets - Summary of Other Current Assets (Detail) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid expenses $ 1,025,083 $ 772,660
Deposits 55,281 101,455
Total other current assets $ 1,080,364 $ 874,115